The last Insider build 20344 has been taken down from the Windows Server Insider Preview download page and Insider builds are now temporarily on hold while we gear up for the next development cycle. We encourage you to continue validating Windows Server 2022 build 20348 which is available at these locations:
Microsoft Server Operating Systems Preview offer in Azure - you must be a registered Windows Insider in order to create and use virtual machine images from the Azure Preview, and have a valid Azure subscription.
Please continue to provide feedback!
The most important part of a frequent release cycle is to hear what's working and what needs to be improved, so your feedback is extremely valued. For Windows Server, use your registered Windows 10 Insider device and use the Feedback Hub application. In the app, choose the Windows Server category and then the appropriate subcategory for your feedback. In the title of the Feedback, please indicate the build number you are providing feedback on as shown below:
Microsoft collects this information over the internet to help keep Windows secure and up to date, troubleshoot problems, and make product improvements. Microsoft server operating systems can be configured to turn diagnostic data off, send Required diagnostic data, or send Optional diagnostic data. During previews, Microsoft asks that you change the default setting to Optional in order to provide the best automatic feedback and help us improve the final product.